Concrete reenforcement



Dec. 18, 1928.

F. M. BARTON CONCRETE: REENFORGEMENT SN I y ff

Patented Dec. 18, 1928.

UNITI-:D STATES v Fiamqmsun. BARTON; or amando, rumors. l

CONCRETE nia-ENFORCEMENT.

Application filed September' The present invention relates'to reenforcement `:for concrete, and moreV particularly to reenforcement of that character which is adapted `for theconcrete covering of the structural metal beamsor sha-pes. l

The object of the invention is to provide an improvedreenforcement which is made up of wires and which comprises longitudinal and cross-members which are disposed belo neath the beam and are adapted to serve as spacers for the bottom and sides of the form for the concrete.

Another object of the invention is to provide reenforcement of this character which can be readily and easily applied to the beams and can be produced at a low cost.

The invention consists in the several novel features hereinafter set forth and more particularly defined by claims at the conclusion hereof.

In the drawings: Fi 1 is a sectional perspective illustrating t e reenforcement aplied to a beam, and before the concrete has geen poured around it. `F ig. 2 is a vertical cross-section after the concrete has been poured into the form.` Fig. 3 is a sectional perspective, illustrating a modified form of the invention.

' The invention is exemplified in a reenforcement-comprising a pair of longitudinal wires a and a which are spaced apart so as to underlie the marginal portions of the beam b. The longitudinal wires are provided with integral downwardly extending loops a2 connected by intermediate upwardly extending loops a3. The upper ends of loops a3 are adapted to abut against the underside of the beam, and the lower ends of the loops a2 are extended to properly space the bottom al of the form for the concrete from the bottom of the beam for the concrete covering around the beam. The longitudinal wires are fixed to, and spaced apart by'cross-wires c adjacent the upper ends of the loops a3, and the end por tions c' of these cross-wires are normally shaped to extend upwardly at the edges of the bottom flange of the beam, asV indicated by dotted lines in Fig. 2, so the may be readily bent around the margins o the beam flanges, to secure the reenforcement to the beam. Cross-wires e are secured to the longitudinal wires a, a', so they will be spaced from' the bottom of the beam and have their ends extended to properly space the sides d of the :form for the concrete relatively to the beam,

s, 1927. serial No. 217,571.

to form the desired concrete covering around the lsides of the beam. lIn practice, the crosswires and longitudinal wires arepreferably welded at their crossings. In the manufacture of the reenforcement, it is cut from strips of fabricated material, so that the cross-wires will extend laterally, the desired distance from the beam, to serve as spacers. The longitudinal wires are then bent to form the spacing loops, and the cross-wires c are bent to form the upstanding terminals. The reenforcement is thus formed in strips of the desired length, and in transportation, the strips are nested so they will occupy comparatively little space.

Figure 3 illustrates a modified form of the invention, in which the longitudinal wires al and L20 are adapted to lie immediatelyI underneath the bottom of the beam, and are provided with downwardly extending loops a5 to space the bottom d of the form from the bottom of the beam, and the reenforcing cross-wires e are secured to the loop portions in spaced relation from the bottom of the beam. The retaining wires 0 are secured to the portions of the longitudinal wires between tlie loops a5, `and are adapted to be bent around the beam anges as before described.

The invention exemplifies reenforcement composed of a pluralit of longitudinal wires and cross-wires whic are adapted to reenforce the concrete below the beam to prevent it from splitting, and also to accurately space the bottom and sides of the form for the concrete relatively to the beam. The re enforcement can be produced at a low cost, and easily and readily applied to the beam or structural shape which is to be covered with concrete.

The invention is not to be understood as restricted tothe details set forth, since these may be modified within the scope of the appended claims, without departing from the spirit and scope of the invention.

Having thus described the invention, what I claim as new and desire to secure by Letters Patent, is:

l. In reenforcement for concrete, the combination of a plurality of wires adapted to extend longitudinally under a beam` and having portions thereof bent downwardly to space the bottom of a form from the beam, cross-wires fixed to thelongitudinal wires so as to be spaced away from` the beam and to @of am dimm --fthewheam croesavlzes fixed reenforce the concrete under the beam, and means fier :weie alle feepavceelaat 120 alle eam. f l

2. In reenforoement for concrete, phenombinaton of a plurality 1of vWires Vadtapltged @o extend longitudinally under albeam an'cl'having portions thereof bent doyrgrmaigltly space the bottom of a form away from t e beam, cross-Wires fixed to the longitudinal Wires so as to be spaced romjhebeam and to reenforeemhe Generate alle beam,

andreX-tendedwto rapace bhe sides olftbe fi'orm from zbhe beam, and means iol' aseeuring the lzeenifoxcamentito thegbeam. j e

$3- @Inireenolzee-1neritfer ConQiveteathe ,Qomf binaton.` of a @plurality 0f Wires adapted to extendlonaitudinally under-,a ibeam and hav.- 'nagv portonsithereoff 4lawaai() space-the lbottom so as tobe spaced away from tlie beam and mreenfarcethe Generelle under. mebeam, and

,bination oifaygplunality of Wires adapted o extend longitudinally under a beam, having integral floopsato elle bottom oi' i al form `lil-'om ,t'herbeam7 cross-wires fixedvfto" the longitudinal Wires, Lvs ,oley will be-vspaeefl firombhe y beam and` o reenooe ,the Concrete under lille beam, and meanS 'aor' iSecuringfthe longitudinal Wires-to ,thebeaxn -V ,f

S'gned at Ghieago, lllinoiahsftli day ofV July,Ylyf?.l Y v l' 

